Debugger: prepare code for debugging on a per-function basis.

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 5444 matching lines @@
   DCHECK(code() != builtins->builtin(Builtins::kCompileOptimized));
   return code() != builtins->builtin(Builtins::kCompileLazy);
 }
 
 
 bool SharedFunctionInfo::is_simple_parameter_list() {
   return scope_info()->IsSimpleParameterList();
 }
 
 
+bool SharedFunctionInfo::HasDebugInfo() {
+  bool has_debug_info = debug_info()->IsStruct();
+  DCHECK(!has_debug_info || HasDebugCode());
+  return has_debug_info;
+}
+
+
+DebugInfo* SharedFunctionInfo::GetDebugInfo() {
+  DCHECK(HasDebugInfo());
+  return DebugInfo::cast(debug_info());
+}
+
+
+bool SharedFunctionInfo::HasDebugCode() {
+  return code()->kind() == Code::FUNCTION && code()->has_debug_break_slots();
+}
+
+
 bool SharedFunctionInfo::IsApiFunction() {
   return function_data()->IsFunctionTemplateInfo();
 }
 
 
 FunctionTemplateInfo* SharedFunctionInfo::get_api_func_data() {
   DCHECK(IsApiFunction());
   return FunctionTemplateInfo::cast(function_data());
 }
 
@@ skipping 1807 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_